Superconductor Insulator Superconductor

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• Superconductor Insulator Transition — The Superconductor Insulator Transition is an example of a quantum phase transition, where upon tuning some parameter in the Hamiltonian, a dramatic change in the behavior of the electrons occurs. The nature of how this transition occurs is… …   Wikipedia

• Covalent superconductor — Covalent semiconductors are such solids as diamond, silicon, germanium, silicon carbide and silicon germanium where atoms are linked by covalent bonds. Most of those materials, at least in their bulk form, are well studied and rarely hit the… …   Wikipedia

• Organic superconductor — In physical chemistry and condensed matter physics, an organic superconductor is an organic compound which exhibits superconductivity at low temperatures. As of 2007 the highest achieved critical temperature for an organic superconductor at… …   Wikipedia

• quantum superconductor — /kwɒntəm ˈsupəkəndʌktə/ (say kwontuhm soohpuhkuhnduktuh) noun a superconductor which transitions from conductor to insulator in a quantum state …  

• Conductivity near the percolation threshold — In a mixture between a dielectric and a metallic component, the conductivity σ and the dielectric constant ε of this mixture show a critical behavior if the fraction of the metallic component reaches the percolation threshold.[1] The behavior of… …   Wikipedia

• Yttrium barium copper oxide — IUPAC name barium copper yttrium oxide …   Wikipedia

• Superconductivity — is a phenomenon occurring in certain materials generally at very low temperatures, characterized by exactly zero electrical resistance and the exclusion of the interior magnetic field (the Meissner effect).The electrical resistivity of a metallic …   Wikipedia

• Ceramic materials — Ceramic Si3N4 bearing parts Ceramic materials are inorganic, non metallic materials and things made from them. They may be crystalline or partly crystalline. They are formed by the action of heat and subsequent cooling.[1] Clay was one of the… …   Wikipedia

• Pi Josephson junction — A pi Josephson Junction is a specific instance of a Josephson Junction where the Josephson phase phi is equal to pi in the ground state, i.e. when no external currents or magnetic fields are applied to the Josephson junction. Background The… …   Wikipedia

• Mathematics and Physical Sciences — ▪ 2003 Introduction Mathematics       Mathematics in 2002 was marked by two discoveries in number theory. The first may have practical implications; the second satisfied a 150 year old curiosity.       Computer scientist Manindra Agrawal of the… …   Universalium

• Proximity effect (superconductivity) — Proximity effect is a term used in the field of superconductivity to describe phenomena that occur when a superconductor (S) is placed in contact with a normal (N) non superconductor. Typically the critical temperature T {c} of the superconductor …   Wikipedia